This magazine is for Rock Island's VR-60 Shotugn and is constructed of polymer with a black finish.RIA imports VR Series 5 round magazine is constructed with a Steel magazine body for durability along with a chrome silicon magazine spring, other features include a polymer anti-tilt follower and base plate. This magazine will fit both the VR-60, the VR-60 plus, and VR-80 along with the Bull Rocket bullpup shotgun. Features: RIA-MAG for rock island imports VR60 and bull rocket 5 rounds This magazine is interchangeable with other RIA VR shotgun series